[44?] 
Numb. 260. Beginning 
the 22d Volume* 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Mmth of January 1700. 
The CONTENTS. 
I. 'fhe ConftruBion of a Quadratrix to the Circle^ 
being the Curve defer ibed by its Equable Evo- 
lution. 
II. Part of a Letter from Mr Anthony Van Lew- 
enhock, F. R. 5. datei at Delft in Holland, 
Sept. 25. i^pp. concerning the Circulation 
and Stagnation of the Blood in Tadpoles, 
III A relation of the cutting an Ivorf Bodkin 
out of the Bladder of a young Woman in Dub- 
lin ^ by Mr Proby 3 communicated by Dr 
Thomas Molyneux, F. S. 
Zzz W.A 
